Coupled Lugiato-Lefever equation for nonlinear frequency comb generation at an avoided crossing of a microresonator

Author/Creator ORCID

Date

2017-03-23

Department

Program

Citation of Original Publication

D’Aguanno, Giuseppe; Menyuk, Curtis R.; Coupled Lugiato-Lefever equation for nonlinear frequency comb generation at an avoided crossing of a microresonator; The European Physical Journal D 71,74 (2017); https://link.springer.com/article/10.1140/epjd/e2017-70705-x

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This item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
This is a pre-print of an article published in The European Physical Journal D. The final authenticated version is available online at: https://doi.org/10.1140/epjd/e2017-70705-x.

Subjects

Abstract

Guided-mode coupling in a microresonator generally manifests itself through avoided crossings of the corresponding resonances. This coupling can strongly modify the resonator local effective dispersion by creating two branches that have dispersions of opposite sign in spectral regions that would otherwise be characterized by either positive (normal) or negative (anomalous) dispersion. In this paper, we study, both analytically and computationally, the general properties of nonlinear frequency comb generation at an avoided crossing using the coupled Lugiato-Lefever equation. In particular, we find that bright solitons and broadband frequency combs can be excited when both branches are pumped for a suitable choice of the pump powers and the detuning parameters. A deterministic path for soliton generation is found.